Consider This Thermochemical Equation: CO₂(g) + H₂(g) $\rightarrow$ CO(g) + H₂O(g) ΔH = 42 KJ
How Much Energy

Consider this thermochemical equation: CO₂(g) + H₂(g) $\rightarrow$ CO(g) + H₂O(g) ΔH = 42 kJ
How much energy is given off or absorbed when 22 g of CO₂ is reacted?

A) 42 kJ is absorbed
B) 42 kJ is given off
C) 21 kJ is given off
D) 21 kJ is absorbed
E) 22 kJ is absorbed